body {
  user-select: text;
  -webkit-user-select: text;
  overflow-x: hidden;
}

.skip-link {
  position: fixed;
  inset-block-start: 8px;
  inset-inline-start: 8px;
  z-index: 1000;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--surface-card, #fff);
  color: var(--text-main, #0f172a);
  transform: translateY(-150%);
}

.skip-link:focus { transform: translateY(0); }

.guide-header,
.guide-toc,
.guide-main,
.guide-footer {
  width: min(100% - 32px, 960px);
  margin-inline: auto;
}

.guide-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  padding-block: 32px 20px;
}

.guide-header h1 { margin: 8px 0; color: var(--text-main, #0f172a); }
.guide-header p { margin: 0; color: var(--text-muted, #475569); }
.back-link { color: var(--color-primary-dark, #047857); font-weight: 700; }
.guide-actions { display: flex; flex-wrap: wrap; gap: 8px; }

.guide-toc,
.guide-card {
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: 16px;
  background: var(--surface-card, #fff);
}

.guide-toc { padding: 20px; margin-block-end: 24px; }
.guide-toc h2 { margin-block-start: 0; font-size: 1.15rem; }
.guide-toc ol {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 8px 20px;
  margin-block-end: 0;
}
.guide-toc a {
  color: var(--text-main, #0f172a);
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}
.guide-actions .action-btn,
.back-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

.guide-main { display: grid; gap: 20px; padding-block-end: 40px; }
.guide-card { scroll-margin-block-start: 16px; padding: clamp(20px, 4vw, 32px); }
.guide-card h2 {
  margin-block-start: 0;
  color: var(--color-primary-dark, #047857);
  font-size: clamp(1.2rem, 3vw, 1.55rem);
}
.guide-card p,
.guide-card li,
.guide-card dd { line-height: 1.85; }
.guide-card dt { margin-block-start: 14px; font-weight: 800; }
.guide-card dd { margin-inline-start: 0; color: var(--text-muted, #475569); }

.guide-note,
.guide-warning {
  padding: 12px 14px;
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: 8px;
  background: var(--surface-page, #f8fafc);
}
.guide-warning { border-color: #b45309; }
.shortcut-table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td {
  padding: 12px;
  border-bottom: 1px solid var(--border-color, #e2e8f0);
  text-align: start;
}
kbd {
  display: inline-block;
  min-width: 2rem;
  padding: 2px 7px;
  border: 1px solid var(--border-color, #cbd5e1);
  border-bottom-width: 3px;
  border-radius: 6px;
  background: var(--surface-page, #f8fafc);
  color: var(--text-main, #0f172a);
  font-family: ui-monospace, monospace;
  text-align: center;
}
.guide-footer {
  padding-block: 20px 32px;
  border-top: 1px solid var(--border-color, #e2e8f0);
  color: var(--text-muted, #475569);
  text-align: center;
}

@media (max-width: 640px) {
  .guide-header { flex-direction: column; }
  .guide-actions { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .skip-link { transition: none; }
}